Question 1198249
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If f(1)=9 and f(n)=-3f(n-1)+n then find the value of f(5)
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            Calculations made by @ewatrrr in her post all are incorrect.

            So I came to make it in a right way.

            Simply do it step by step.



<pre>
f(2) = -3f(1) + 2 = -3*9 + 2      =  -25

f(3) = -3f(2) + 3 = -3*(-25) + 3  =   78

f(4) = -3f(3) + 4 = -3*78 + 4     = -230

f(5) = -3f(4) + 5 = -3*(-230) + 5 =  695
</pre>

Solved (correctly).


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@ewatrrr re-wrote her post after seeing my calcs.